throws IOException {
        this.handle = handle;
        final MsrpcSamrOpenDomain rpc = new MsrpcSamrOpenDomain(policyHandle, access, sid, this);
        handle.sendrecv(rpc);
        if (rpc.retval != 0) {
            throw new SmbException(rpc.retval, false);
        }
        this.opened = true;
    }

    @Override

                    rpc = new MsrpcGetMembersInAlias(aliasHandle, sidarray);
                    handle.sendrecv(rpc);
                    if (rpc.retval != 0) {
                        throw new SmbException(rpc.retval, false);
                    }
                    final SID[] sids = new SID[rpc.sids.num_sids];

                    final String origin_server = handle.getServer();

        lsarpc.LsarDnsDomainInfo dnsDomainInfo = new lsarpc.LsarDnsDomainInfo();
        dnsDomainInfo.name = new rpc.unicode_string();
        dnsDomainInfo.dns_domain = new rpc.unicode_string();
        dnsDomainInfo.dns_forest = new rpc.unicode_string();
        dnsDomainInfo.domain_guid = new rpc.uuid_t();
        dnsDomainInfo.sid = mock(rpc.sid_t.class);

        when(mockNdrBuffer.dec_ndr_short()).thenReturn(10, 20, 12, 24, 14, 28);

                rpc.names.names[i].sid_type = (short) jcifs.SID.SID_TYPE_UNKNOWN;
                rpc.names.names[i].name = new UnicodeString("", false);
                rpc.names.names[i].sid_index = 0;
            }
            rpc.domains = new lsarpc.LsarRefDomainList();
            rpc.domains.count = 1;
            rpc.domains.max_count = 1;
            rpc.domains.domains = new lsarpc.LsarTrustInformation[1];

            throws IOException {
        this.handle = handle;
        final MsrpcSamrOpenAlias rpc = new MsrpcSamrOpenAlias(domainHandle, access, rid, this);
        handle.sendrecv(rpc);
        if (rpc.retval != 0) {
            throw new SmbException(rpc.retval, false);
        }
        this.opened = true;
    }

    @Override
    public synchronized void close() throws IOException {

        /** Domain NetBIOS name. */
        public rpc.unicode_string name;
        /** DNS domain name. */
        public rpc.unicode_string dns_domain;
        /** DNS forest name. */
        public rpc.unicode_string dns_forest;
        /** Domain GUID. */
        public rpc.uuid_t domain_guid;
        /** Domain security identifier. */
        public rpc.sid_t sid;

        @Override

        this.handle = handle;
        if (server == null) {
            server = "\\\\";
        }
        final MsrpcLsarOpenPolicy2 rpc = new MsrpcLsarOpenPolicy2(server, access, this);
        handle.sendrecv(rpc);
        if (rpc.retval != 0) {
            throw new SmbException(rpc.retval, false);
        }
        this.opened = true;
    }

    @Override
    public synchronized void close() throws IOException {

        this.handle = handle;
        final MsrpcSamrOpenDomain rpc = new MsrpcSamrOpenDomain(policyHandle, access, sid, this);
        handle.sendrecv(rpc);
        if (rpc.retval != 0) {
            throw new SmbException(rpc.retval, false);
        }
    }

    /**
     * Closes this SAM domain handle.
     *
     * @throws IOException if an I/O error occurs during handle closure
     */

        // Arrange
        int access = 1;
        int rid = 100;

        // Mock the behavior of sendrecv for MsrpcSamrOpenAlias
        doAnswer(invocation -> {
            MsrpcSamrOpenAlias rpc = invocation.getArgument(0);
            rpc.retval = 0; // Simulate success
            return null;
        }).when(mockDcerpcHandle).sendrecv(any(MsrpcSamrOpenAlias.class));

        // Act

        MsrpcGetMembersInAlias rpc = null;

        try {
            aliasHandle = new SamrAliasHandle(handle, domainHandle, 0x0002000c, rid);
            rpc = new MsrpcGetMembersInAlias(aliasHandle, sidarray);
            handle.sendrecv(rpc);
            if (rpc.retval != 0) {
                throw new SmbException(rpc.retval, false);
            }